Havent tried it yet so couldnt comment. Shouldnt be a problem though as it is stated clearly on the link.

Have you raised the issue with their CS?

27th Feb 2010

You will be lucky to find this discount. We have been trying for over 3 months and not yet found one ticket . Crosscountry customer service cannot come up with anything better than " the ticket ( Note the use of the singular here) must have gone". I am considering seeing whether the Adverising Standards agency or Trading standards would be interested as I think it is a misleading advert on their website. I have noticed that other offers from this company do not seem to be available either. My advice use one of the other booking agencies perhaps they will only start to listen when they start losing customers!

12th Aug 2010

only valid on the cross country network, which you can find on the website under the link 'routes'. would be useful to know if anyone has used it on their routes and got the discount.